preregistration

Noun

 * 1) An early registration, before the normal or traditional time, as with early online check-in at hotels.
 * 2) Registration (of a ) before a clinical trial (or any other type of scientific experiment) begins, for methodologic and thus epistemologic rigor.
 * 1) Registration (of a ) before a clinical trial (or any other type of scientific experiment) begins, for methodologic and thus epistemologic rigor.

Adjective

 * 1) Before registration.
 * a preregistration check
 * 1)  Pertaining to preregistration (of scientific trials or other experiments).